API Reference > geometry-core > Curve > LineString3d > appendFractionalStrokePoints appendFractionalStrokePoints Method Evaluate a curve at uniform fractions. Append the evaluations to this linestring. appendFractionalStrokePoints(curve: CurvePrimitive, numStrokes: number, fraction0: number = 0, fraction1: number = 1, include01: boolean = true): void Parameter Type Description curve CurvePrimitive primitive to evaluate. numStrokes number number of strokes (edges). fraction0 number starting fraction coordinate fraction1 number end fraction coordinate include01 boolean if false, points at fraction0 and fraction1 are omitted. Returns - void Defined in curve/LineString3d.ts Line 971 Last Updated: 11 June, 2024